29.12
mon
mon
Day
79°F
SW 17 mph
Precip.
60%
60%
Night
77°F
SW 16 mph
Precip.
85%
85%
30.12
tue
tue
Day
79°F
W 17 mph
Precip.
100%
100%
Night
77°F
W 15 mph
Precip.
100%
100%
31.12
wed
wed
Day
81°F
W 17 mph
Precip.
65%
65%
Night
77°F
W 14 mph
Precip.
0%
0%
01.01
thu
thu
Day
81°F
W 16 mph
Precip.
60%
60%
Night
77°F
W 14 mph
Precip.
100%
100%
02.01
fri
fri
Day
81°F
W 14 mph
Precip.
23%
23%
Night
77°F
W 12 mph
Precip.
41%
41%
03.01
sat
sat
Day
81°F
W 14 mph
Precip.
100%
100%
Night
77°F
W 12 mph
Precip.
59%
59%
04.01
sun
sun
Day
81°F
W 16 mph
Precip.
21%
21%
Night
75°F
W 8 mph
Precip.
74%
74%
sea water
temperature
temperature
| Castries |
monthly
weather
weather
| Castries |
current
weather
weather
| Castries |
14 days
forecast
forecast
| Castries |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 82.3°F. The highest and lowest sea temperatures during the month were 82.9°F and 81.7°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 82.2°F. The highest and lowest sea temperatures during the month were 82.8°F and 81.7°F.
Air temperature in Castries, °F
Precipitation total in Castries, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Castries
Castries on a weather map
24 Hours Forecast
Castries
Local time: 10:46
December 29, monday
1200
79°F
SW
17 mph
17 mph
1500
79°F
SW
17 mph
17 mph
1800
79°F
W
16 mph
16 mph
2100
79°F
SW
16 mph
16 mph
December 30, tuesday
0000
77°F
SW
16 mph
16 mph
0300
77°F
SW
15 mph
15 mph
0600
77°F
SW
16 mph
16 mph
0900
79°F
W
17 mph
17 mph
